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WhatsApp: +86 18838072829(The crushing plant runs 11 h per day, the mill 24 h/d.) The mill power (and media consumption) is higher and the mill grinding length is a bit longer in the open case. Is there any other sideeffects associated with feeding a ball mill with 16 kWh/tonne feed which is coarser (closed P80 of mm vs. open P80 of mm mm coarser)?
WhatsApp: +86 18838072829The difference between the cumulative percentages at the ″ and ″ points on the curve gives us the amount, of such product to be expected from the output of the primary crusher This is 85 minus 43, or 42% of the primary crusher product. If our problem had covered a crushing condition calling for 80 instead of 85% passing the opening ...
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WhatsApp: +86 18838072829To feed a rod and/or ball milling circuit, you need to crush as follow: Crushing Stage Crusher: Feed Size: Product Size. Primary: Jaw/Gyratory. Up to 60″ () 6″12″ (150300mm) Secondary: ... The only reason why you would use an impact mill/crusher or a hammer mill on a highsilica rock is because it might be sticky in nature and rich ...
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WhatsApp: +86 18838072829Question: A ball mill, operated in a closed circuit with a classifier, is used to grind calcite after it has had preliminary crushing in jaw crushers. Screen analyses of the various are given below. The ball mill feed (25 tons/hr) is estimated to have a specific surface of 292 sq cm/gram. When the ball mill is operated with a recycle of 75 tons ...
WhatsApp: +86 18838072829The feed enters one end of the ball mill, and discharges out the other end. Ball mills vary greatly in size, from large industrial ball mills measuring more than 25 ft. in diameter to small mills used for sample preparation in laboratories. Rod mills are similar to ball mills and use metal rods as the grinding media. Pebble mills use rock ...
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WhatsApp: +86 18838072829In a jaw crusher circuit, the feeder can be a vibrating grizzly feeder, which removes the wet and sticky fines. With the fines removed, the jaw crusher does not "pack", and therefore able to reliably crush the more competent portion of the feed stream. ... The course material is returned to the ball mill feed and the fine overflow product ...
WhatsApp: +86 18838072829Ball mill mainly consists of feeding part, discharging part, gyre part, transmission part (decelerated machine, small transmission gear, motor, electric control) and so on. The hollow axis adopts cast steel, the lining plate can be replaced, the big gyre gear is made of forging rolling gear, and there is lining plate in the cylinder body, which ...
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WhatsApp: +86 18838072829The SAG/Ball Mill Circuit has an overall processing capacity of 2300 TPD. A ft x ft, 1500 HP fixed speed SAG Mill is fed with ore coming from four feeders.
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WhatsApp: +86 18838072829The purpose of the primary crusher is to reduce the ROM ore to a size amenable for feeding the secondary crusher or the SAG mill grinding circuit. The ratio of reduction through a primary crusher can be up to about 8:1. Feed: ROM up to m. Product: 300mm (for transport) to 200mm (for SAG mill) Feed Rate:
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WhatsApp: +86 188380728291. Shortcylinder ball mill: The length (L) of the cylinder is less than twice the diameter (D) of the cylinder, that is, the ball mill with L ≤ 2D is a shortcylinder ball mill. Singlebin structure ball mill, which is mainly used for coarse grinding or primary grinding, has high efficiency. 2. Mediumlong cylinder ball mill, that is L = 3D. 3.
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